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Found a bug, a wrong result or an outdated rate? Have an idea for a new tool, or want to work with us? Send a message below. A real person reads every one.
- Reply within 2 working days
- Wrong results checked first
- No account needed
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Back to the toolsFAQ
Before you write
How quickly will I get a reply?
Usually within two working days. Reports of a wrong result in a calculator are checked first, because people may be relying on it.
What should I include when reporting a bug?
The link to the tool, the numbers or file type you used, what you expected and what you got, and your device and browser. A screenshot helps too. Please do not send confidential files.
Can I suggest a new tool or a new country?
Yes. Choose "Suggest a new tool" and describe what it should do and who it is for. Many tools on the site started as a request.
Do you offer advertising or sponsored posts?
We consider partnerships that are useful to our readers. We do not sell links or change a tool's results for anyone. Choose "Partnership or advertising" and tell us about your company.
How do I ask about my data?
Choose "Privacy or data request". The tools do not keep your files, and the privacy policy explains what analytics and ads collect and how to opt out.